mediatek: simplify nvmem mac for Keenetic KN-(3811/3911)

This is a cosmetic change. There is no need to use mac
address increment/decrement in the dts on these devices,
so this can be simplified.

Signed-off-by: Maxim Anisimov <[email protected]>
Link: https://github.com/openwrt/openwrt/pull/21635
Signed-off-by: Hauke Mehrtens <[email protected]>
(cherry picked from commit 9bcfe7b76f6e9920785c42d536949656208d68a2)

target/linux/mediatek/dts/mt7981b-keenetic-kn-3811.dts

@@ -123,7 +123,7 @@
 		phy-mode = "2500base-x";
 
 		nvmem-cell-names = "mac-address";
-		nvmem-cells = <&macaddr_factory_4 0>;
+		nvmem-cells = <&macaddr_factory_4>;
 
 		fixed-link {
 			speed = <2500>;
@@ -140,7 +140,7 @@
 		label = "wan";
 
 		nvmem-cell-names = "mac-address";
-		nvmem-cells = <&macaddr_factory_a 0>;
+		nvmem-cells = <&macaddr_factory_a>;
 	};
 };
 
@@ -270,16 +270,12 @@
 
 					/* lan mac */
 					macaddr_factory_4: macaddr@4 {
-						compatible = "mac-base";
 						reg = <0x4 0x6>;
-						#nvmem-cell-cells = <1>;
 					};
 
 					/* wan mac */
 					macaddr_factory_a: macaddr@a {
-						compatible = "mac-base";
 						reg = <0xa 0x6>;
-						#nvmem-cell-cells = <1>;
 					};
 				};
 			};

target/linux/mediatek/dts/mt7981b-keenetic-kn-3911.dts

@@ -102,7 +102,7 @@
 		label = "lan";
 
 		nvmem-cell-names = "mac-address";
-		nvmem-cells = <&macaddr_factory_4 0>;
+		nvmem-cells = <&macaddr_factory_4>;
 	};
 
 	gmac1: mac@1 {
@@ -113,7 +113,7 @@
 		label = "wan";
 
 		nvmem-cell-names = "mac-address";
-		nvmem-cells = <&macaddr_factory_a 0>;
+		nvmem-cells = <&macaddr_factory_a>;
 	};
 };
 
@@ -217,16 +217,12 @@
 
 					/* lan mac */
 					macaddr_factory_4: macaddr@4 {
-						compatible = "mac-base";
 						reg = <0x4 0x6>;
-						#nvmem-cell-cells = <1>;
 					};
 
 					/* wan mac */
 					macaddr_factory_a: macaddr@a {
-						compatible = "mac-base";
 						reg = <0xa 0x6>;
-						#nvmem-cell-cells = <1>;
 					};
 				};
 			};